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|
#!@PERL@
# Copyright (C) 2002 Stanislav Sinyagin
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
# $Id: genddx.in,v 1.1 2010-12-27 00:04:00 ivan Exp $
# Stanislav Sinyagin <ssinyagin@yahoo.com>
# Generate the SNMP discovery instructions XML file out of plaintext
# list of hosts.
BEGIN { require '@devdiscover_config_pl@'; }
use strict;
use Getopt::Long;
use XML::LibXML;
use Torrus::Log;
our $outFormatVersion = '1.0';
our @hosts = ();
our $hostfile;
our %globalParams =
(
'output-file' => 'routers.xml',
'domain-name' => '',
'host-subtree' => '/Routers',
'snmp-port' => '161',
'snmp-community' => 'public',
'snmp-version' => '2c',
'snmp-timeout' => 10,
'snmp-retries' => 2,
'rrd-hwpredict' => 0,
'data-dir' => '@defrrddir@',
);
our $outfile = 'routers.ddx';
my $creator = "Torrus version @VERSION@\n" .
"This file was generated by command:\n" .
$0 . " \\\n";
foreach my $arg ( @ARGV )
{
if( $arg =~ /^--/ )
{
$creator .= ' ' . $arg . ' ';
}
else
{
$creator .= "\'" . $arg . "\'\\\n";
}
}
$creator .= "\nOn " . scalar(localtime(time));
my $ok = GetOptions(
'host=s' => \@hosts,
'hostfile=s' => \$hostfile,
'out=s' => \$outfile,
'discout=s' => \$globalParams{'output-file'},
'domain=s' => \$globalParams{'domain-name'},
'version=s' => \$globalParams{'snmp-version'},
'community=s' => \$globalParams{'snmp-community'},
'port=i' => \$globalParams{'snmp-port'},
'timeout=i' => \$globalParams{'snmp-timeout'},
'retries=i' => \$globalParams{'snmp-retries'},
'subtree=s' => \$globalParams{'host-subtree'},
'holtwinters' => \$globalParams{'rrd-hwpredict'},
'datadir=s' => \$globalParams{'data-dir'},
);
if( not $ok or
( not $hostfile and scalar(@hosts) == 0 ) or
scalar( @ARGV ) > 0 )
{
print STDERR "Generate devdiscover XML configuration\n";
print STDERR "Usage: $0 options...\n",
"Options:\n",
" --host=hostname router hostname\n",
" --hostfile=filename space-separated router hostnames file\n",
" --out=filename output file [".$outfile."]\n",
" --discout=filename discovery output file\n",
" [", $globalParams{'output-file'}, "]\n",
" --domain=domain optional DNS domain name\n",
" --version=v SNMP version [",
$globalParams{'snmp-version'}, "]\n",
" --community=string SNMP read community [",
$globalParams{'snmp-community'}, "]\n",
" --port=number SNMP port [",
$globalParams{'snmp-port'}, "]\n",
" --retries=number SNMP retries [",
$globalParams{'snmp-retries'}, "]\n",
" --timeout=number SNMP timeout [",
$globalParams{'snmp-timeout'}, "]\n",
" --subtree=string Subtree name [",
$globalParams{'host-subtree'}, "]\n",
" --datadir=path data-dir parameter [",
$globalParams{'data-dir'}, "]\n",
" --holtwinters Enable Holt-Winters analysis\n",
"\n",
"Host names may be of form \"host:devname\" where devname is a symbolic\n",
"device name.\n",
"Output file is placed into " . $Torrus::Global::discoveryDir,
"\n if no path is given.\n";
exit 1;
}
# Place the output file in discovery directory if the path is not given
if( $outfile !~ /\// )
{
$outfile = $Torrus::Global::discoveryDir . '/' . $outfile;
}
# Convert flags from true/false to yes/no
foreach my $param ( 'rrd-hwpredict' )
{
if( $globalParams{$param} )
{
$globalParams{$param} = 'yes';
}
else
{
$globalParams{$param} = 'no';
}
}
if( $globalParams{'host-subtree'} !~ /^\/[0-9A-Za-z_\-\.\/]*$/ or
$globalParams{'host-subtree'} =~ /\.\./ )
{
Error("Invalid format for subtree name: " . $globalParams{'host-subtree'});
exit 1;
}
if( defined $hostfile )
{
if( not open(HOSTS, $hostfile) )
{
print STDERR "Cannot open $hostfile: $!";
exit 1;
}
while(<HOSTS>)
{
s/^\s+//;
s/\s+$//;
push( @hosts, split( /\s+/ ) );
}
}
# Create XML DOM
my $doc = XML::LibXML->createDocument( "1.0", "UTF-8" );
my $root = $doc->createElement('snmp-discovery');
$doc->setDocumentElement( $root );
{
my $fileInfoNode = $doc->createElement('file-info');
$root->appendChild( $fileInfoNode );
my $formatNode = $doc->createElement('format-version');
$formatNode->appendText( $outFormatVersion );
$fileInfoNode->appendChild( $formatNode );
}
{
my $creatorNode = $doc->createElement('creator-info');
$creatorNode->appendText( $creator );
$root->appendChild( $creatorNode );
}
createParamsDom( \%globalParams, $doc, $root );
foreach my $host ( @hosts )
{
my $devname = $host;
if( $host =~ /([^:]+):(.+)/ )
{
$host = $1;
$devname = $2;
}
my $hostNode = $doc->createElement('host');
$root->appendChild( $hostNode );
my %hostParams = ( 'snmp-host' => $host );
if( $devname ne $host )
{
$hostParams{'symbolic-name'} = $devname;
}
createParamsDom( \%hostParams, $doc, $hostNode );
}
my $ok = $doc->toFile( $outfile, 2 );
if( $ok )
{
print STDERR ("Wrote $outfile\n");
}
else
{
print STDERR ("Cannot write $outfile: $!\n");
}
exit($ok ? 0:1);
sub createParamsDom
{
my $params = shift;
my $doc = shift;
my $parentNode = shift;
foreach my $param ( sort keys %{$params} )
{
my $paramNode = $doc->createElement('param');
$paramNode->setAttribute( 'name', $param );
$paramNode->setAttribute( 'value', $params->{$param} );
$parentNode->appendChild( $paramNode );
}
}
# Local Variables:
# mode: perl
# indent-tabs-mode: nil
# perl-indent-level: 4
# End:
|
